Dutang, Christophe, Vincent Goulet, and Nicholas Langevin. “Feller-Pareto and Related Distributions: Numerical Implementation and Actuarial Applications”. Journal of Statistical Software 103, no. 6 (July 16, 2022): 1–22. Accessed April 25, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v103i06.